mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-04-04 10:30:01 +00:00
* Implement getDirectoryContents * Implement getStatusInfo * Implement setStatusInfo * Implement renameFile
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17780 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
parent
083507cd3f
commit
eaf181550a
@ -21,6 +21,8 @@
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <fstream>
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#include <utime.h>
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#include <dirent.h>
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namespace llvm {
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using namespace sys;
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@ -159,9 +161,21 @@ bool Path::hasMagicNumber(const std::string &Magic) const {
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std::ifstream f(path.c_str());
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f.read(buf, len);
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buf[len] = '\0';
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f.close();
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return Magic == buf;
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}
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bool Path::getMagicNumber(std::string& Magic, unsigned len) const {
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if (!isFile())
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return false;
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char buf[1 + len];
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std::ifstream f(path.c_str());
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f.read(buf,len);
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buf[len] = '\0';
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Magic = buf;
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return true;
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}
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bool
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Path::isBytecodeFile() const {
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char buffer[ 4];
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@ -170,7 +184,9 @@ Path::isBytecodeFile() const {
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f.read(buffer, 4);
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if (f.bad())
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ThrowErrno("can't read file signature");
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return 0 == memcmp(buffer,"llvc",4) || 0 == memcmp(buffer,"llvm",4);
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return (buffer[0] == 'l' && buffer[1] == 'l' && buffer[2] == 'v' &&
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(buffer[3] == 'c' || buffer[3] == 'm'));
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}
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bool
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@ -224,16 +240,46 @@ Path::getLast() const {
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}
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void
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Path::getStatusInfo(StatusInfo& info) const {
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Path::getStatusInfo(StatusInfo& info) {
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struct stat buf;
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if (0 != stat(path.c_str(), &buf)) {
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ThrowErrno(std::string("Can't get status: ")+path);
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}
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info.fileSize = buf.st_size;
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info.modTime.fromPosixTime(buf.st_mtime);
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info.modTime.fromEpochTime(buf.st_mtime);
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info.mode = buf.st_mode;
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info.user = buf.st_uid;
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info.group = buf.st_gid;
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info.isDir = S_ISDIR(buf.st_mode);
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if (info.isDir && path[path.length()-1] != '/')
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path += '/';
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}
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bool
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Path::getDirectoryContents(Vector& result) const {
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if (!isDirectory())
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return false;
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DIR* direntries = ::opendir(path.c_str());
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if (direntries == 0)
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ThrowErrno(path + ": can't open directory");
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result.clear();
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struct dirent* de = ::readdir(direntries);
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while (de != 0) {
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if (de->d_name[0] != '.') {
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Path aPath(path + (const char*)de->d_name);
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struct stat buf;
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if (0 != stat(aPath.path.c_str(), &buf))
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ThrowErrno(aPath.path + ": can't get status");
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if (S_ISDIR(buf.st_mode))
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aPath.path += "/";
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result.push_back(aPath);
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}
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de = ::readdir(direntries);
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}
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closedir(direntries);
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return true;
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}
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bool
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@ -363,6 +409,8 @@ Path::createDirectory( bool create_parents) {
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int lastchar = path.length() - 1 ;
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if (pathname[lastchar] == '/')
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pathname[lastchar] = 0;
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else
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pathname[lastchar+1] = 0;
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// If we're supposed to create intermediate directories
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if ( create_parents ) {
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@ -378,12 +426,14 @@ Path::createDirectory( bool create_parents) {
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if (0 != mkdir(pathname, S_IRWXU | S_IRWXG))
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ThrowErrno(std::string(pathname) + ": Can't create directory");
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char* save = next;
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next = strchr(pathname,'/');
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next = strchr(next+1,'/');
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*save = '/';
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}
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} else if (0 != mkdir(pathname, S_IRWXU | S_IRWXG)) {
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ThrowErrno(std::string(pathname) + ": Can't create directory");
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}
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if (0 != access(pathname, F_OK | R_OK))
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if (0 != mkdir(pathname, S_IRWXU | S_IRWXG))
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ThrowErrno(std::string(pathname) + ": Can't create directory");
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return true;
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}
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@ -409,6 +459,7 @@ Path::createTemporaryFile() {
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// Append the filename filler
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char pathname[MAXPATHLEN];
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path.copy(pathname,MAXPATHLEN);
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pathname[path.length()] = 0;
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strcat(pathname,"XXXXXX");
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int fd = ::mkstemp(pathname);
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if (fd < 0) {
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@ -439,6 +490,8 @@ Path::destroyDirectory(bool remove_contents) {
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int lastchar = path.length() - 1 ;
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if (pathname[lastchar] == '/')
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pathname[lastchar] = 0;
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else
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pathname[lastchar+1] = 0;
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if ( 0 != rmdir(pathname))
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ThrowErrno(std::string(pathname) + ": Can't destroy directory");
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}
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@ -449,7 +502,28 @@ bool
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Path::destroyFile() {
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if (!isFile()) return false;
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if (0 != unlink(path.c_str()))
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ThrowErrno(std::string(path.c_str()) + ": Can't destroy file");
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ThrowErrno(path + ": Can't destroy file");
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return true;
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}
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bool
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Path::renameFile(const Path& newName) {
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if (!isFile()) return false;
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if (0 != rename(path.c_str(), newName.c_str()))
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ThrowErrno(std::string("can't rename ") + path + " as " + newName.get());
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return true;
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}
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bool
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Path::setStatusInfo(const StatusInfo& si) const {
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if (!isFile()) return false;
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struct utimbuf utb;
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utb.actime = si.modTime.toPosixTime();
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utb.modtime = utb.actime;
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if (0 != ::utime(path.c_str(),&utb))
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ThrowErrno(path + ": can't set file modification time");
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if (0 != ::chmod(path.c_str(),si.mode))
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ThrowErrno(path + ": can't set mode");
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return true;
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}
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@ -21,6 +21,8 @@
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <fstream>
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#include <utime.h>
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#include <dirent.h>
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namespace llvm {
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using namespace sys;
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@ -159,9 +161,21 @@ bool Path::hasMagicNumber(const std::string &Magic) const {
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std::ifstream f(path.c_str());
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f.read(buf, len);
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buf[len] = '\0';
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f.close();
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return Magic == buf;
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}
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bool Path::getMagicNumber(std::string& Magic, unsigned len) const {
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if (!isFile())
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return false;
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char buf[1 + len];
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std::ifstream f(path.c_str());
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f.read(buf,len);
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buf[len] = '\0';
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Magic = buf;
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return true;
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}
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bool
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Path::isBytecodeFile() const {
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char buffer[ 4];
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@ -170,7 +184,9 @@ Path::isBytecodeFile() const {
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f.read(buffer, 4);
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if (f.bad())
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ThrowErrno("can't read file signature");
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return 0 == memcmp(buffer,"llvc",4) || 0 == memcmp(buffer,"llvm",4);
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return (buffer[0] == 'l' && buffer[1] == 'l' && buffer[2] == 'v' &&
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(buffer[3] == 'c' || buffer[3] == 'm'));
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}
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bool
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@ -224,16 +240,46 @@ Path::getLast() const {
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}
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void
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Path::getStatusInfo(StatusInfo& info) const {
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Path::getStatusInfo(StatusInfo& info) {
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struct stat buf;
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if (0 != stat(path.c_str(), &buf)) {
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ThrowErrno(std::string("Can't get status: ")+path);
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}
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info.fileSize = buf.st_size;
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info.modTime.fromPosixTime(buf.st_mtime);
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info.modTime.fromEpochTime(buf.st_mtime);
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info.mode = buf.st_mode;
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info.user = buf.st_uid;
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info.group = buf.st_gid;
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info.isDir = S_ISDIR(buf.st_mode);
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if (info.isDir && path[path.length()-1] != '/')
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path += '/';
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}
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bool
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Path::getDirectoryContents(Vector& result) const {
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if (!isDirectory())
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return false;
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DIR* direntries = ::opendir(path.c_str());
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if (direntries == 0)
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ThrowErrno(path + ": can't open directory");
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result.clear();
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struct dirent* de = ::readdir(direntries);
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while (de != 0) {
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if (de->d_name[0] != '.') {
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Path aPath(path + (const char*)de->d_name);
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struct stat buf;
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if (0 != stat(aPath.path.c_str(), &buf))
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ThrowErrno(aPath.path + ": can't get status");
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if (S_ISDIR(buf.st_mode))
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aPath.path += "/";
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result.push_back(aPath);
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}
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de = ::readdir(direntries);
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}
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closedir(direntries);
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return true;
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}
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bool
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@ -363,6 +409,8 @@ Path::createDirectory( bool create_parents) {
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int lastchar = path.length() - 1 ;
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if (pathname[lastchar] == '/')
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pathname[lastchar] = 0;
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else
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pathname[lastchar+1] = 0;
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// If we're supposed to create intermediate directories
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if ( create_parents ) {
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@ -378,12 +426,14 @@ Path::createDirectory( bool create_parents) {
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if (0 != mkdir(pathname, S_IRWXU | S_IRWXG))
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ThrowErrno(std::string(pathname) + ": Can't create directory");
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char* save = next;
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next = strchr(pathname,'/');
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next = strchr(next+1,'/');
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*save = '/';
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}
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} else if (0 != mkdir(pathname, S_IRWXU | S_IRWXG)) {
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ThrowErrno(std::string(pathname) + ": Can't create directory");
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}
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if (0 != access(pathname, F_OK | R_OK))
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if (0 != mkdir(pathname, S_IRWXU | S_IRWXG))
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ThrowErrno(std::string(pathname) + ": Can't create directory");
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return true;
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}
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@ -409,6 +459,7 @@ Path::createTemporaryFile() {
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// Append the filename filler
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char pathname[MAXPATHLEN];
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path.copy(pathname,MAXPATHLEN);
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pathname[path.length()] = 0;
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strcat(pathname,"XXXXXX");
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int fd = ::mkstemp(pathname);
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if (fd < 0) {
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@ -439,6 +490,8 @@ Path::destroyDirectory(bool remove_contents) {
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int lastchar = path.length() - 1 ;
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if (pathname[lastchar] == '/')
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pathname[lastchar] = 0;
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else
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pathname[lastchar+1] = 0;
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if ( 0 != rmdir(pathname))
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ThrowErrno(std::string(pathname) + ": Can't destroy directory");
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}
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@ -449,7 +502,28 @@ bool
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Path::destroyFile() {
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if (!isFile()) return false;
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if (0 != unlink(path.c_str()))
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ThrowErrno(std::string(path.c_str()) + ": Can't destroy file");
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ThrowErrno(path + ": Can't destroy file");
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return true;
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}
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bool
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Path::renameFile(const Path& newName) {
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if (!isFile()) return false;
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if (0 != rename(path.c_str(), newName.c_str()))
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ThrowErrno(std::string("can't rename ") + path + " as " + newName.get());
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return true;
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}
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bool
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Path::setStatusInfo(const StatusInfo& si) const {
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if (!isFile()) return false;
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struct utimbuf utb;
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utb.actime = si.modTime.toPosixTime();
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utb.modtime = utb.actime;
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if (0 != ::utime(path.c_str(),&utb))
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ThrowErrno(path + ": can't set file modification time");
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if (0 != ::chmod(path.c_str(),si.mode))
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ThrowErrno(path + ": can't set mode");
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return true;
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}
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